| Cadillac Engine >> DISTRIBUTOR GEAR WEAR |
Distributor Gear Wear On
GM 4.1L (HT-4100 Cadillac) Engines
Premature distributor gear wear has been noted on GM 4.1L (HT-4100 Cadillac) engines.
Since there is no direct lubrication of the distributor gear, General Motors has revised the gear to help eliminate this problem. The revised gear carries GM Part #10499813 and can be identified by a cut ring on the body section of the gear.
Since the cam bearing housing bores are fully grooved, AERA members have enhanced lubrication of the gear. Drill a small (1/32) hole from the groove of the last cam bearing housing bore forward toward the distributor opening of the cylinder block.
Inserting the distributor into the block can be of assistance in locating this hole.
The AERA Technical Committee
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